ES8306520A1 - Perfeccionamientos en un mecanismo de embolo alternativo hidraulico para explotaciones subterraneas. - Google Patents

Perfeccionamientos en un mecanismo de embolo alternativo hidraulico para explotaciones subterraneas.

Info

Publication number
ES8306520A1
ES8306520A1 ES515918A ES515918A ES8306520A1 ES 8306520 A1 ES8306520 A1 ES 8306520A1 ES 515918 A ES515918 A ES 515918A ES 515918 A ES515918 A ES 515918A ES 8306520 A1 ES8306520 A1 ES 8306520A1
Authority
ES
Spain
Prior art keywords
magnets
piston rod
hydraulic ram
cylinder
poles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES515918A
Other languages
English (en)
Other versions
ES515918A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES8306520A1 publication Critical patent/ES8306520A1/es
Publication of ES515918A0 publication Critical patent/ES515918A0/es
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/28Means for indicating the position, e.g. end of stroke
    • F15B15/2807Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/28Means for indicating the position, e.g. end of stroke
    • F15B15/2815Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Actuator (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

MECANISMO DE EMBOLO ALTERNATIVO HIDRAULICO PARA EXPLOTACIONES SUBTERRANEAS. CONSTA DE CILINDROS HIDRAULICOS DE AVANCE (11) QUE SE APOYAN EN ESCUDOS DE ENTIBACION (12); DE DOS FILAS DE IMANES PERMANENTES DISPUESTOS EN EL VASTAGO DEL EMBOLO (22) DE LOS CILINDROS DE AVANCE (11), TENIENDO LOS IMANES PERMANENTES DE UNA DE DICHAS FILAS SUS POLOS SUR EN LA SUPERFICIE DEL VASTAGO DEL EMBOLO, MIENTRAS QUE EN LA OTRA FILA LOS IMANES TIENEN SUS POLOS NORTE EN LA SUPERFICIE DEL VASTAGO DEL EMBOLO; DE DOS IMANES PERMANENTES (30, 31) DISPUESTOS EN LA POSICION EXTREMA DEL VASTAGO DEL EMBOLO (22), LOS CUALES ESTAN CONECTADOS CON EL DISPOSITIVO CONTADOR (29); Y DE ORGANOS PALPADORES O CONMUTADORES (25, 26) QUE SUMINISTRAN IMPULSOS ELECTRICOS QUE SON CONTADOS POR EL DISPOSITIVO CONTADOR (29).
ES515918A 1981-09-24 1982-09-23 Perfeccionamientos en un mecanismo de embolo alternativo hidraulico para explotaciones subterraneas. Granted ES515918A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3137951A DE3137951C2 (de) 1981-09-24 1981-09-24 Hydraulisches Schubkolbengetriebe, insbesondere zur Verwendung als Rück- und Schreitzylinder in untertägigen Gewinnungsbetrieben, mit an der Kolbenstange angeordneten Permanentmagneten

Publications (2)

Publication Number Publication Date
ES8306520A1 true ES8306520A1 (es) 1983-06-01
ES515918A0 ES515918A0 (es) 1983-06-01

Family

ID=6142459

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515918A Granted ES515918A0 (es) 1981-09-24 1982-09-23 Perfeccionamientos en un mecanismo de embolo alternativo hidraulico para explotaciones subterraneas.

Country Status (9)

Country Link
JP (1) JPS5869997A (es)
AU (1) AU8856582A (es)
BE (1) BE894469A (es)
DE (1) DE3137951C2 (es)
ES (1) ES515918A0 (es)
FR (1) FR2513370A1 (es)
GB (1) GB2106984B (es)
PL (1) PL135861B1 (es)
ZA (1) ZA826989B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241237C2 (de) * 1982-11-09 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schubkolbengetriebe, insbesondere zur Verwendung als Rückzylinder in Bergbau-Gewinnungsbetrieben, mit an der Kolbenstange angeordnetem Dauermagnetsystem
DE3507937C2 (de) * 1985-03-06 1987-01-02 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorrichtung für eine richtungsbezogene Erfassung und Übertragung von Weglängen bei hydraulischem Schreitausbau
DE3508479A1 (de) * 1985-03-09 1986-09-11 Ruhrkohle Ag, 4300 Essen Einrichtung zur wegerfassung, beispielsweise des rueckweges in abbaubetrieben des steinkohlenbergbaus
DE3518162C1 (de) * 1985-05-21 1986-04-24 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Vorrichtung zur UEberwachung des Gleichlaufs eines Rueckzylinders und eines Kappen-Schiebezylinders
DK195886A (da) * 1986-04-29 1987-10-30 Niels Hvilsted Arbejdscylinder med stempel og med en magnetisk anordning til bestemmelse af en stempelposition
CH674058A5 (es) * 1986-10-22 1990-04-30 Festo Kg
JPH02186102A (ja) * 1989-01-10 1990-07-20 Nakamura Koki Kk ピストン型アキュムレータのピストン位置検知装置
DE9412435U1 (de) * 1994-08-02 1994-09-29 Festo Kg, 73734 Esslingen Arbeitszylinder
DE19724388A1 (de) * 1997-06-10 1998-12-17 Bosch Gmbh Robert Wegsensor
DE10219950C1 (de) * 2002-05-03 2003-10-30 Hilti Ag Pneumatisches Schlagwerk mit magnetfeldempfindlichen Sensor
EP2009404A3 (de) 2007-06-29 2014-12-24 Melexis Technologies NV Magnetstruktur zur Erfassung einer Relativbewegung zwischen der Magnetstruktur und einem Magnetfeldsensor
US8857530B2 (en) 2011-03-07 2014-10-14 Cnh Industrial Canada, Ltd. Automatic depth control system for an agricultural implement
CN110023038B (zh) 2016-09-30 2021-12-14 米沃奇电动工具公司 动力工具
DE102018002053A1 (de) * 2018-03-14 2019-09-19 Festo Ag & Co. Kg Kolben für eine Antriebsvorrichtung, Antriebsvorrichtung und Verfahren zum Herstellen eines Kolbens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917609C2 (de) * 1979-05-02 1985-12-19 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur Steuerung der Vorpfändkappen eines Schreitausbaus in Abhängigkeit vom Abbaufortschritt
DE2933557C2 (de) * 1979-08-18 1982-11-04 Robert Bosch Gmbh, 7000 Stuttgart Meßumformer zur berührungslosen Weg- oder Geschwindigkeitsmessung
DE2945895C2 (de) * 1979-11-14 1986-06-05 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Magnetischer Stellungsgeber für hydrauliche oder pneumatische Arbeitszylinder

Also Published As

Publication number Publication date
GB2106984A (en) 1983-04-20
PL135861B1 (en) 1985-12-31
ZA826989B (en) 1983-07-27
AU8856582A (en) 1983-03-31
JPS5869997A (ja) 1983-04-26
BE894469A (fr) 1983-01-17
PL238318A1 (en) 1983-05-23
FR2513370A1 (fr) 1983-03-25
GB2106984B (en) 1985-01-23
DE3137951A1 (de) 1983-04-07
DE3137951C2 (de) 1985-10-17
ES515918A0 (es) 1983-06-01

Similar Documents

Publication Publication Date Title
ES8306520A1 (es) Perfeccionamientos en un mecanismo de embolo alternativo hidraulico para explotaciones subterraneas.
GB8519052D0 (en) Shuttle piston cylinder
CA2099304A1 (en) Strata Movement Indicator
JPS5314404A (en) Double cylinder pumps
GB2022704B (en) Cylinder and piston assembly with piston over-tavel indicator
IT1152501B (it) Macchina alternativa a pistone e cilindro
GB2022705B (en) Cylinder and piston assembyl with piston overtravel indicator
GB2037933B (en) Cylinder and piston device with piston acting as valve member
GB1444798A (es)
IT1094992B (it) Macchina a piu'pistoni di corsa,a piu'cilindri
GB2054042B (en) Hydraulic cylinder assembly
FI842749A7 (fi) Cylinderlaos.
EP0212420A3 (en) Rodless working cylinder
BR8804152A (pt) Arranjo de deslocamento de pistao rotativo
IT8219732A0 (it) Gabbia a cilindri con cilindri dilavoro.
IT8047578A0 (it) Ni perfezionamento nelle pompe a pisto
DE59300415D1 (de) Arbeitszylinder mit einem Kolbenweg-Messwertgeber.
GB1456771A (en) Sledgehammer
DK88687A (da) Hydraulisk cylinder med indbygget elektrisk stempelpositionsgiver
ES8306525A1 (es) Mecanismo hidraulico de embolo y procedimiento para la fabricacion de los vastagos del embolo.
NO884683D0 (no) En hydraulisk sylinder med innebeygget elektrisk stempelposisjonsindikator.
ATE65302T1 (de) Hydraulischer zylinder mit eingebautem elektrischen anzeiger fuer die position des kolbens.
IE842740L (en) Stroke limited hydraulic cylinder
DE3675576D1 (de) Bildpunkterzeugungsstaebe mit verbesserter raeumlicher adressierungskapazitaet.
BR7608563A (pt) Intensificador de pressao conjugado com cilindro hidraulico